Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
  • C07D263/52—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings condensed with carbocyclic rings or ring systems
  • C07D263/54—Benzoxazoles; Hydrogenated benzoxazoles
  • C07D263/58—Benzoxazoles; Hydrogenated benzoxazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
  • A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
  • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
  • A01N43/82—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with three ring hetero atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
  • C07C235/02—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton
  • C07C235/04—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated
  • C07C235/06—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
  • C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D277/34—Oxygen atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
  • C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
  • C07D277/62—Benzothiazoles
  • C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
  • C07D285/01—Five-membered rings
  • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
  • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
  • C07D285/08—1,2,4-Thiadiazoles; Hydrogenated 1,2,4-thiadiazoles
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
  • C07D285/01—Five-membered rings
  • C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
  • C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
  • C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
  • C07D285/125—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
  • C07D285/13—Oxygen atoms

Definitions

• the invention relates to certain new N-(2,2,2-trifluoroethyl)-N-alkyl-azolyloxyacetic acid amides, to a process for their production and their use as herbicides, and to certain new ⁇ -substituted N-(2,2,2-trifluoroethyl)-N-alkyl-acetic acid amides as intermediate products for their production.
• R represents a five-membered heterocyclic radical which contains an oxygen or sulphur atom and additionally contains 1 to 3 nitrogen atoms, and which is optionally substituted by halogen, cyano nitro, amino, alkylamino, arylamino, dialkylamino, alkylcarbonylamino, alkylcarbonyl, carboxyl, alkoxycarbonyl, carbamoyl, alkylaminocarbonyl, dialkylaminocarbonyl, arylaminocarbonyl which is optionally substituted by halogen, nitro or alkyl, aryl which is optionally substituted by halogen, cyano, nitro, alkyl or alkoxy; by an optionally halogen-substituted radical selected from aralkyl,
• a process for the production of a compound of the present invention characterized in that an N-(2,2,2-trifluoroethyl)-N-alkyl-hydroxy-acetic acid amide of the general formula ##STR4## in which R 1 has the abovementioned meaning, or a salt thereof formed with an acid-binding agent, is reacted with a halogenohetero-arene of the general formula
• Hal represents a chlorine or bromine atom, if appropriate in the presence of an acid acceptor and if appropriate in the presence of a diluent.
• the new N-(2,2,2-trifluoroethyl)-N-alkyl-azolyloxyacetic acid amides of the formula (I) are distinguished by a powerful herbicidal activity.
• the compounds of the formula (I) according to the invention exhibit a considerably more powerful herbicidal action than compounds which are known from the state of the art and have an analogous structure and the same type of action.
• they also exhibit a good action against dicotyledon weeds. Because of their good selectivity in respect of cotton, beet, soy beans, wheat and rice, they can be particularly advantageously employed in these crops.
• N-(2,2,2-trifluoroethyl)-N-alkyl-azolyloxyacetic acid amides of formula (I) according to the present invention are those in which R represents the radical ##STR5## wherein A represents C--R 2 or N,
• D represents C--R 3 or N
• E represents C--R 4 , N, O or S and
• G represents C--R 5 , N, O or S
• radicals R 2 , R 3 , R 4 and R 5 which can be identical or different, individually represent a hydrogen or halogen atom, a nitro, cyano, amino, C 1 -C 4 -alkylamino, di-C 1 -C 4 -alkyl-carbonylamino, C 1 -C 4 -alkyl-carbonyl, carboxyl, C 1 -C 4 -alkoxy-carbonyl, carbamoyl, C 1 -C 4 -alkylamino-carbonyl or di-C 1 -C 4 -alkylamino-carbonyl radical, a phenyl-aminocarbonyl radical which is optionally substituted by halogen, nitro or C 1 -C 4 -alkyl, a phenyl radical which is optionally substituted by halogen, nitro, cyano, C 1 -C 4 -alkyl or C 1 -C 4 -alkoxy,
• R represents one of the following azolyl radicals ##STR6## wherein X in each case represents oxygen or sulphur, the radicals R 6 , R 7 , R 8 and R 9 , which can be identical or different, individually represent a hydrogen, bromine or chlorine atom, a nitro, cyano, C 1 -C 3 -alkyl-carbonyl or C 1 -C 3 -alkoxycarbonyl radical, a phenyl radical which is optionally monosubstituted or disubstituted by fluorine, chlorine or bromine, methyl, methoxy, nitro, amino and/or cyano, or a phenoxy, phenylthio, C 1 -C 3 -alkylthio, C 1 -C 3 -alkoxy, C 1 -C 3 -alkylsulphinyl, C 1 -C 3 -alkylsulphonyl, C 1
• the process for the preparation of the new N-(2,2,2-trifluoroethyl)-N-alkylazolylozyacetic acid amides is preferably carried out using suitable diluents.
• suitable diluents are water and virtually any of the customary organic solvents.
• alcohols such as methanol, ethanol, n- and iso-propanol and n-, iso-, sec.- and tert.- butanol
• ethers such as diethyl ether, dibutyl ether, tetrahydrofuran and dioxane
• ketones such as acetone, methyl ethyl ketone, methyl isopropyl ketone and methyl isobutyl ketone
• nitriles such as acetonitrile and propionitrile
• highly polar solvents dimethylformamide, dimethylsulphoxide, sulpholane and hexamethylphosphoric acid triamide.
• any of the acid-binding agents which can customarily be used may be employed as the acid acceptors: these compounds include, in particular, alkali metal hydroxides and oxides and alkaline earth metal hydroxides and oxides (such as sodium hydroxide and potassium hydroxide and calcium oxide or calcium hydroxide), alkali metal carbonates and alkaline earth metal carbonates (such as sodium carbonate, potassium carbonate and calcium carbonate), alkali metal alcoholates (such as sodium methylate, ethylate and tert.-butylate and potassium methylate, ethylate and tert.-butylate), and also aliphatic, aromatic or heterocyclic amines (such as triethylamine, dimethylaniline, dimethylbenzylamine, pyridine, diazabicyclooctane and diazabicycloundecene).
• alkali metal hydroxides and oxides and alkaline earth metal hydroxides and oxides such as sodium hydroxide and potassium hydroxide and calcium oxide
• the reaction temperature can be varied within a substantial range.
• the reaction is carried out at a temperature between -50° and +150° C., preferably at a temperature between -20° and +100° C.
• the process according to the invention is in general carried out under normal pressure.
• the starting substances of the formulae (II) and (III) are in general employed in approximately equimolar amounts for carrying out the process according to the invention.
• the components are usually brought together with slight external cooling, and the reaction mixture is stirred until the reaction has ended.
• the products are isolated by customary methods: if appropriate, some of the diluent is distilled off, and the residue is diluted with water. If the products are thereby obtained as crystals, they are isolated by filtration. Otherwise, the organic products are extracted with a water-immiscible solvent (such as toluene or methylene chloride); after the organic phase has been washed and dried, the solvent is distilled off in vacuo.
• a water-immiscible solvent such as toluene or methylene chloride
• N-(2,2,2-trifluoromethyl)-N-alkylhydroxyacetic acid amides of formula (II) to be used as starting substances are those in which R 1 represents a C 1 -C 6 -alkyl radical, and especially a C 1 -C 3 -alkyl radical.
• starting substances of the formula (II) which may be mentioned are: N-(2,2,2-trifluoroethyl)-N-methyl-, N-(2,2,2-trifluoroethyl)-N-ethyl-, N-(2,2,2-trifluoroethyl)-N-n-propyl- and N-(2,2,2-trifluoroethyl)-N-iso-propyl-hydroxyacetic acid amide.
• N-(2,2,2-trifluoroethyl)-N-alkyl-hydroxyacetic acid amides of the formula (II) have not yet been described in the literature and form a further subject of the present invention.
• Preferred N-(2,2,2-trifluoroethyl)-N-alkylactoxyacetic acid amides of formula (IV) to be used as intermediate products in the production of compounds of formula (II) are those in which R 1 represents a C 1 -C 6 -alkyl radical, especially a C 1 -C 3 -alkyl radical.
• Examples of compounds of the formula (IV) which may be mentioned are: N-(2,2,2-trifluoroethyl)-N-methyl-, N-(2,2,2-trifluoroethyl)-N-ethyl-, N-(2,2,2-trifluoroethyl)-N-n-propyl- and N-(2,2,2-trifluoroethyl)-N-isopropyl-acetoxyacetic acid amide.
• an acid-binding agent such as triethylamine
• a diluent such as toluene
• the mixture is filtered, the solvent is distilled off from the filtrate under reduced pressure and the product of the formula (IV) which remains in the residue is purified, if appropriate, by distillation.
• Acetoxyacetyl chloride of formula (VI) is already known (see European Published Patent application No. 5,501).
• Amines of the formula (V) are also known from the literature and described in previous patent applications (see J. Org. Chem. 24 (1959), 1256-1259; and U.S. patent application Ser. No. 254,718, filed Apr. 16, 1981, now pending; and German Patent application No. P 3,018,030 (Le A 20 329)).
• amines of the formula (V) which may be mentioned are N-(2,2,2-trifluoroethyl)-N-methylamine, N-(2,2,2-trifluoroethyl)-N-ethylamine and N-(2,2,2-trifluoroethyl)-N-n-propylamine,
• Preferred halogenohetero-arenes of formula (III) also to be used as starting substances in the production of compounds of formula (I) according to the present invention are those in which R represents those radicals which have already been mentioned in the context of the definitions of the preferred and particularly preferred compounds of formula (I), and Hal represents a chlorine or bromine atom.
• Examples of starting substances of the formula (III) which may be mentioned are: 2-chloro- and 2-bromo-oxazole and -thiazole, 2,4-dichloro-, 2,5-dichloro- and 2,4,5-trichloro-oxazole and -thiazole, 4-methyl-, 5-methyl-, 4-tert.-butyl-, 4,5-dimethyl-, 4-methyl-5-cyano, 4-methyl-5-chloro-, 5-methyl-4-chloro-, 4-methyl-5-methoxycarbonyl-, 4-methyl-5-ethoxycarbonyl-, 4-methyl-5-isopropoxycarbonyl-, 4-methyl-5-acetyl-, 5-phenyl-, 4,5-diphenyl-, 4-chloro-5-phenyl-, 4-chloro-5-(3,4-dichlorophenyl)- and 4-methyl-5-phenylthio-2-chloro-oxazole, -2-bromo-oxazole, -2-
• the active compounds according to the invention influence plant growth and can therefore be used as defoliants, desiccants, agents for destroying broadleaved plants, germination inhibitors and, especially, as weed-killers.
• weeds in the broadest sense there are meant plants growing in places where they are not desired.
• the active compounds according to the present invention may be used, for example, to combat the following plants:
• dicotyledon weeds of the genera Sinapis, Lepidium, Galium, Stellaria, Matricaria, Anthemis, Galinsoga, Chenopodium, Urtica, Senecio, Amaranthus, Portulaca, Xanthium, Convolvulus, Ipomoea, Polygonum, Sesbania, Ambrosia, Cirium, Carduus, Sonchus, Rorippa, Rotala, Lindernia, Lamium, Veronica, Abutilon, Emex, Datura, Viola, Galeopsis, Papaver, Centaurea and Solanum; and
• the active compounds according to the present invention may be used, for example, as selective herbicides in the following cultures:
• formulations may be produced in known manner, for example by mixing the active compounds with extenders, that is to say liquid or solid diluents or carriers, optionally with the use of surface-active agents, that is to say emulsifying agents and/or dispersing agents and/or foam-forming agents.
• extenders that is to say liquid or solid diluents or carriers
• surface-active agents that is to say emulsifying agents and/or dispersing agents and/or foam-forming agents.
• organic solvents can, for example, also be used as auxiliary solvents.
• liquid diluents or carriers especially solvents
• aromatic hydrocarbons such as xylene, toluene or alkyl naphthalenes
• chlorinated aromatic or chlorinated aliphatic hydrocarbons such as chlorobenzenes, chloroethylenes or methylene chloride
• aliphatic or alicyclic hydrocarbons such as cyclohexane or paraffins, for example mineral oil fractions
• alcohols such as butanol or glycol as well as their ethers and esters
• ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone
• strongly polar solvents such as dimethylformamide and dimethylsulphoxide, as well as water.
• ground natural minerals such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth
• ground synthetic minerals such as highly-dispersed silicic acid, alumina and silicates.
• crushed and fractionated natural rocks such as calcite, marble, pumice, sepiolite and dolomite, as well as synthetic granules of inorganic and organic meals, and granules of organic material such as sawdust, coconut shells, corn cobs and tobacco stalks.
• non-ionic and anionic emulsifiers such as polyoxyethylene-fatty acid esters, polyoxyethylene-fatty alcohol ethers, for example alkylaryl polyglycol ethers, alkyl sulphonates, alkyl sulphates, aryl sulphonates as well as albumin hydrolysis products.
• Dispersing agents include, for example, lignin sulphite waste liquors and methylcellulose.
• Adhesives such as carboxymethylcellulose and natural and synthetic polymers in the form of powders, granules or latices, such as gum arabic, polyvinyl alcohol and polyvinyl acetate, can be used in the formulations.
• colorants such as inorganic pigments, for example iron oxide, titanium oxide and Prussian Blue, and organic dyestuffs, such as alizarin dyestuffs, azo dyestuffs or metal phthalocyanine dyestuffs, and trace nutrients, such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.
• organic dyestuffs such as alizarin dyestuffs, azo dyestuffs or metal phthalocyanine dyestuffs
• trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.
• the formulations in general from 0.1 to 95 percent by weight of active compound, preferably from 0.5 to 90 percent by weight.
• the active compounds according to the invention can also be used, for combating weeds, as mixtures with known herbicides, finished formulations or tank mixing being possible. Mixtures with other known active compounds, such as fungicides, insecticides, acaricides, nematicides, bird repellents, growth factors, plant nutrients and agents which improve soil structure, are also possible.
• the active compounds can be used as such, in the form of their formulations or in the use forms prepared therefrom by further dilution, such as ready-to-use solutions, suspensions, emulsions, powders, pastes and granules. They are used in the customary manner, for example by watering, spraying, atomizing, scattering or dusting.
• the active compounds according to the invention can be applied either before or after emergence of the plants. They are preferably applied before emergence of the plants, that is to say by the pre-emergence method. They can also be incorporated into the soil before sowing.
• the amount of active compound used can vary within a substantial range. It depends essentially on the nature of the desired effect. In general, the amounts used are between 0.05 and 10 kg of active compound per ha, preferably between 0.1 and 8 kg/ha.
• the present invention also provides herbicidal compositions containing as active ingredient a compound of the present invention in admixture with a solid or liquefied gaseous diluent or carrier or in admixture with a liquid diluent or carrier containing a surface-active agent.
• the present invention also provides a method of combating weeds which comprises applying to the weed, or to a habitat thereof, a compound of the present invention alone or in the form of a composition containing as active ingredient a compound of the present invention in admixture with a diluent or carrier.
• the present invention further provides crops protected from damage by weeds by being grown in areas in which immediately prior to and/or during the time of the growing a compound of the present invention was applied alone or in admixture with a diluent or carrier.
• Some of the active compounds according to the invention also exhibit a growth-regulating action when used in certain concentrations.
• Emulsifier 1 part by weight of alkylaryl polyglycol ether

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Dentistry (AREA)
• Wood Science & Technology (AREA)
• Plant Pathology (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Agronomy & Crop Science (AREA)
• General Health & Medical Sciences (AREA)
• Pest Control & Pesticides (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
• Thiazole And Isothizaole Compounds (AREA)
• Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
• Plural Heterocyclic Compounds (AREA)

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Citations (7)

• 1981
  • 1981-03-13 DE DE19813109582 patent/DE3109582A1/de not_active Withdrawn
• 1982
  • 1982-02-19 US US06/350,520 patent/US4465504A/en not_active Expired - Fee Related
  • 1982-02-27 DE DE8282101513T patent/DE3270717D1/de not_active Expired
  • 1982-02-27 EP EP82101513A patent/EP0060426B1/fr not_active Expired
  • 1982-02-27 AT AT82101513T patent/ATE19400T1/de not_active IP Right Cessation
  • 1982-03-09 JP JP57035983A patent/JPS57159749A/ja active Granted
  • 1982-03-10 IL IL65217A patent/IL65217A/xx unknown
  • 1982-03-12 DK DK111982A patent/DK111982A/da not_active Application Discontinuation
  • 1982-03-12 ZA ZA821660A patent/ZA821660B/xx unknown
  • 1982-03-12 BR BR8201357A patent/BR8201357A/pt not_active IP Right Cessation
  • 1982-03-12 CA CA000398272A patent/CA1188698A/fr not_active Expired

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